sound barrier

汉语翻译

英语解释：

名词 sound barrier:

1. the increase in aerodynamic drag as an airplane approaches the speed of sound
   同义词：sonic barrier

例句：

1. Residents have been complaining of the "boom" which is heard whenever a jet breaks through the sound barrier.
   居民们一直抱怨喷气式飞机在作超音速飞行时所产生的“音爆。”